Our company,Shenzhen Chenxi Technology Co.,Ltd has been in surveillance and safety equipment more than 5 years.We can provide a full line of standalone DVRs, mobile DVRs, DVR cards, color or B/W CCD cameras, IR weatherproof CCD cameras, dome CCD cameras, and high-/medium-speed cameras. All of our products have quality approvals for all major markets including CE and FCC.More than 100 design for your select. OEM and ODM project are always welcome.